Which relationship between x and y in the equation shows a proportional relationship? y= 4x + 2
y = x - 2
y = 8x
y = 1 + 2

How do i do this? i don’t understand

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

Can someone me out here and the tell me the greatest common factor